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Topic: Whatsminer M20 is announced and available for pre-order - page 3. (Read 4298 times)

full member
Activity: 1022
Merit: 221
We are not retail.
Seems another demo unit rated at 66Ths had a psu fail at stock. Seems MircoBT is working to update the issues with the psu's.
legendary
Activity: 4256
Merit: 8551
'The right to privacy matters'
yours is better than mine

68 th with 3360 watts = 49.4 watts

65 th with 3180 watts = 48.9 watts

3180/208 = 15.288 amps         safe
3360/208 =  16.153 amps     not safe

I use this wire

https://www.ebay.com/itm/L6-30P-to-C19-Molded-Power-Cord-10ft-220V-250V-30A-Ships-Free/202648792458?

it rates to 16 amps continuous duty.

my Clifton NY mine drops to  217 volts

so

3180/217 = 14.654    amps which is well under 16 amp derated
3360/217 = 15.483    amps which is very close to 16 amp derated number

If I had the 30 units I need to max out I would want yours not mine.
legendary
Activity: 1554
Merit: 2037
I'll check that LP mode tonight and see if it takes. I'll let you know how the power draw is as well, just have to convert the plug ends over. So far I've only hooked it up and let it run to confirm the hashrate, had to go out of town so no time to test anything yet.

Quick update: I have no working LP mode. Same as you noted you can select it but it doesn't work.

Code:
Power detect error, can not find power P20 in config

Power meter is hooked up this morning so far looks like 65 TH at 3180W. I'm going to give it a 24 hour run and I'll do a review write-up like I originally planned - considering it is a different spec machine.
legendary
Activity: 4256
Merit: 8551
'The right to privacy matters'
Do you have a low power option that works?

Does the 65th use 3100 watts vs 3350 watts?

I for one would prefer a unit using 3100 watts with a bit less hash.

3100/208 = 14.9 amps
3350/208 = 16.1 amps

All the cables I have found rate 20/16 amps

Now our power does not drop to 208 it drops to 216

But

3100/ 216= 14.35 amps

3350/ 216 = 15.50 amps. So my unit is here at the moment close to the 16 amp max for 24/7/365 duty.

My second unit was lost at JFK airport I have a postal trace on it but I have very little hope of recovery.

This will represent the most expensive piece of gear ever lost during shipping for me.

Sucks big time.  But shit happens.
legendary
Activity: 1554
Merit: 2037
Well I finally received some tracking info and see it as confirmed shipped. Just over a month late but should have it in hand Tuesday, and online that night if I'm lucky. Almost would prefer Wednesday so I'm home but I've found making any changes to my DHL deliveries is to confusing for the local people; at least it's not -30C outside this time around.  Grin

So I finally got my machine in been busy and couldn't do much more than get it hooked up and hashing yesterday. So far so good, I should have my power meter on it this weekend to get some results but the sound was easily dealt with, i'll take readings of that as well.

Things that aren't so good and need to be discussed with Pangolin, it appears they sent me a 65 TH model - little over 10% below advertised spec when i ordered (72) and 3 TH lower than the model I should have received.
full member
Activity: 1022
Merit: 221
We are not retail.
Can't really call it a PM here so I DM'd ya. Wink

Can't say duties help this but will may help 100 or more get some better pricing and worry free customs support on our tax id.

legendary
Activity: 4256
Merit: 8551
'The right to privacy matters'
Looks like 100 unit pricing from pango is displayed. We added a group for july batch with customs support for buyers.

can't find it can you pm link please
full member
Activity: 1022
Merit: 221
We are not retail.
Looks like 100 unit pricing from pango is displayed. We added a group for july batch with customs support for buyers.
legendary
Activity: 4256
Merit: 8551
'The right to privacy matters'
My opinion for what it is worth is that it pushes the psu too hard  and should be tweaked 5% lower to 65th vs the 68.6 th I am getting> I think the psu would work better doing 3200 or 3100 watts  vs the 3375 I am doing on mine.

I realize that  ac 3375 x .94 =  3173 dc  so it is not maxed .

Oh it is running here you can log in and see it's hash

m20s

http://ckpool.org/users/16yLHLoeyuCLPMXkVpC3gyrRYvwRGwjKJr

I am running the gear in cool spots  right now I moved it out of garage which was 80f  to the small solar array in howell

that is about 60f  so it does not struggle much as temps are easy on it.

I would think that in a 95f room it will struggle and pull more watts.
legendary
Activity: 2464
Merit: 1710
Electrical engineer. Mining since 2014.
3350 W is the max. power capacity at the low DC voltage rail.

It is a server grade psu so it can handle the nominal max. power 24/7/365.


I would not necessarily recommend overclocking this.
It is already pretty damn well optimized for max. performance.
hero member
Activity: 653
Merit: 500
Do you know what's the maximum power that can be drawn from the included PSU?  (I was that this is rated for 3350W, looking for the real number)
Is there any room for overclocking? Given the extremely high efficiency it could be worth it
legendary
Activity: 2464
Merit: 1710
Electrical engineer. Mining since 2014.
Doesnt work
legendary
Activity: 4256
Merit: 8551
'The right to privacy matters'
It is a loud beast indeed! (the M20S 68Ths)

I've mined with all kinds of devices but this one was the first one
which made me startle a little during the startup. Cheesy

Here is a video:
https://mega.nz/#!UgcBhAoY!tXsJnCTid1zHgLzsrEzIoKBQR1u3gPuBGElo-gwaZ8Q

The numbers are looking great,
about 68Ths, 3.4kW

A further review will soon follow..

Nice.

Does your low power option work or do you get error 201?
legendary
Activity: 2464
Merit: 1710
Electrical engineer. Mining since 2014.
It is a loud beast indeed! (the M20S 68Ths)

I've mined with all kinds of devices but this one was the first one
which made me startle a little during the startup. Cheesy

Here is a video:
https://mega.nz/#!UgcBhAoY!tXsJnCTid1zHgLzsrEzIoKBQR1u3gPuBGElo-gwaZ8Q

The numbers are looking great,
about 68Ths, 3.4kW

A further review will soon follow..
legendary
Activity: 4256
Merit: 8551
'The right to privacy matters'
Yeah  I can only run it until about 11pm as I don't want my neighbors to kill me.

I can run the s-9    24/7/365  and it is not as noisy.

We are waiting for  some power work in Clifton I will bring it up to the bigger farm on monday .
legendary
Activity: 2030
Merit: 1569
CLEAN non GPL infringing code made in Rust lang
the 21s is like the bitmain t17  cheaper to buy but not as good as the  s17
the m20s is like the bitmain s17 more costly to buy  but better then the t15

Having run the m20s using close to 3360watts and getting 68.6 th
it is a beast  it reminds me of this scene in the movie " fast and furious "

https://www.youtube.com/watch?v=WtnTZSJndPc

Well thats disappointing, i expected to see your video of the M20S not a clip from fast and furious...

But you could do a chrome paint job to the case if that makes you feel better.
legendary
Activity: 4256
Merit: 8551
'The right to privacy matters'
the 21s is like the bitmain t17  cheaper to buy but not as good as the  s17

the m20s is like the bitmain s17 more costly to buy  but better then the t15

Having run the m20s using close to 3360watts and getting 68.6 th

it is a beast  it reminds me of this scene in the movie " fast and furious "

https://www.youtube.com/watch?v=WtnTZSJndPc

it is an industrial machine  as it sounds worse then any s-9
full member
Activity: 500
Merit: 105
still don't know why they have 2 models with almost the same W but diff THs.

Whatsminer M21S
56Th/s @ 3360W


Whatsminer M20S
68Th/s @ 3260W
legendary
Activity: 4256
Merit: 8551
'The right to privacy matters'
yeah I could tell by the error I got that the code for it{low power mode) was left out or botched.
member
Activity: 504
Merit: 71
Just Getting Started...
OK, perfect, thank you. I noticed on Microbt's site they list all the LPM firmware as "coming soon"
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